Pet diaper



FIG. 1 is a perspective view of a pet diaper;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-hand side view thereof, wherein a right-hand side view is a mirror image of the left-hand side view;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

CLAIM The ornamental design for a pet diaper, as shown and described. 